River samples may evidence problems with the water treatment plant because it may contain an excessive amount of certain substances which are filtered during this procedure.
<h3>What is a water treatment plant?</h3>
A water treatment plant is a place where wastewater from a city is processed and purified in order to obtain potable water.
Water treatment procedure generally involves the collection, chemical substance addition, filtration, and disinfection.
Any type of problem in these steps can be evidenced by taking a sample of the water after treatment.
In conclusion, river samples evidence problems due to an excessive amount of certain substances which are filtered during this procedure.
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